Finding the Fourth Proportional to 88,029.60, 132,238.80 and 84,724.80
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Solution
The fourth proportional to 88,029.60, 132,238.80 and 84,724.80 is: 127,274.30
Step by Step Solution
- Step 1: Write the proportion equation
88,029.60 : 132,238.80 = 84,724.80 : x - Step 2: Convert to fraction form
88,029.60/132,238.80 = 84,724.80/x - Step 3: Cross multiply
88,029.60x = 132,238.80 × 84,724.80 - Step 4: Simplify right side
88,029.60x = 11,203,905,882.24 - Step 5: Solve for x
x = 11,203,905,882.24/88,029.60 - Step 6: Final answer
x = 127,274.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.